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L5981

STMicroelectronics

L5981 by STMicroelectronics

L5981 by STMicroelectronics is a VOLTAGE-MODE switching regulator with 1A output current, 1000 kHz max frequency, and BUCK switcher config. Ideal for applications requiring small outline, heat sink, and very thin profile packages. Supports input voltage range of 2.9V to 18V for efficient power management in compact designs.

Median Price

-

Lifecycle Status

Suppliers In-Stock

4

In-Stock Inventory

1k+

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Digiode

USA . 2,325 parts In-Stock

1+ parts

-

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2,325

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Anansix

USA . 2,059 parts In-Stock

1+ parts

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1k+ parts

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2,059

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Vyrian

USA . 439 parts In-Stock

1+ parts

-

100+ parts

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439

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Nova Conductors

Japan . 84 parts In-Stock

1+ parts

-

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84

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Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Ampacity Inc.

Singapore . 1,576 parts In-Stock

1+ parts

$2.500

100+ parts

-

1k+ parts

-

10k+ parts

-

1,576

$2.500

-

-

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Microchip USA

USA . 2,255 parts In-Stock

1+ parts

$6.213

100+ parts

-

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-

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2,255

$6.213

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-

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IDEA Electronic Components Group

UK . 1,319 parts In-Stock

1+ parts

$16.657

100+ parts

-

1k+ parts

$14.991

10k+ parts

-

1,319

$16.657

-

$14.991

-

AZTECH Wire

Italy . 263 parts In-Stock

1+ parts

$17.643

100+ parts

-

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263

$17.643

-

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MKK Technologies

India . 1,146 parts In-Stock

1+ parts

$31.322

100+ parts

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1,146

$31.322

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DigiPath Technology Company

USA . 1,146 parts In-Stock

1+ parts

$31.322

100+ parts

-

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1,146

$31.322

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Lixinc

USA . 19,996 parts In-Stock

1+ parts

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19,996

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A-Z Elektronik GmbH

Germany . 7,272 parts In-Stock

1+ parts

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7,272

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Alle Elektronik GmbH

Germany . 4,848 parts In-Stock

1+ parts

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4,848

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Vigor

Singapore . 2,500 parts In-Stock

1+ parts

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2,500

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Corphita

USA . 1,153 parts In-Stock

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1,153

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Parana Technologies

USA . 701 parts In-Stock

1+ parts

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100+ parts

$19.916

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701

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$19.916

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Kepictronics

USA . 231 parts In-Stock

1+ parts

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231

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Bastille Electronics

Australia . 120 parts In-Stock

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120

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Overview

Discover the L5981 by STMicroelectronics, a top-of-the-line switching regulator & controller designed to deliver unmatched performance and reliability. Manufactured by industry leader STMicroelectronics, this product offers cutting-edge technology in a compact and efficient package. Ideal for a wide range of applications, this voltage-mode control mode device provides stable power output with minimal input voltage requirements. With a maximum output current of 1A and a maximum switching frequency of 1000kHz, the L5981 is the perfect solution for your power management needs. Experience superior quality and value with the L5981 today!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Plastic/epoxy material offers good durability and thermal properties, making the product reliable for long-term use.

Surface Mount: YES

Surface mount capability allows for easy and efficient installation on circuit boards, saving space and reducing assembly time.

Package Shape: SQUARE

Square shape provides a compact footprint, ideal for space-constrained applications.

No. of Terminals: 8

Having 8 terminals offers flexibility in connection options, accommodating various circuit layouts.

Package Style (Meter): SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

The small outline, heat sink/slug, and very thin profile design enhance thermal management and allows for efficient heat dissipation.

Control Mode: VOLTAGE-MODE

Voltage-mode control ensures stable and accurate regulation of output voltage, enhancing performance and reliability.

Terminal Finish: Matte Tin (Sn) - annealed

Matte tin finish provides good electrical conductivity and corrosion resistance, prolonging the product's lifespan.

Terminal Position: DUAL

Dual terminal position offers redundancy and flexibility in connection, ensuring reliable operation in diverse scenarios.

Maximum Seated Height: 1 mm

Low seated height minimizes the overall profile of the product, making it suitable for applications with tight space constraints.

Width (mm): 3 mm

Compact width dimension enables easy integration into small electronic devices or circuit layouts.

Other IC type: SWITCHING REGULATOR

Switching regulator technology provides efficient power conversion, minimizing energy loss and maximizing battery life in portable devices.

Nominal Input Voltage: 12 V

Nominal input voltage of 12V is a common standard in many electronic systems, ensuring compatibility with various power sources.

Maximum Time At Peak Reflow Temperature (s): 30

Short reflow time minimizes the risk of thermal damage to the components during the assembly process, improving product reliability.

Peak Reflow Temperature °C: 260

High peak reflow temperature ensures proper soldering of components, contributing to the product's robust construction.

Length: 3 mm

Compact length dimension enables flexible placement within electronic circuits, optimizing space utilization.

Maximum Switching Frequency: 1000 kHz

High switching frequency allows for rapid power regulation, enhancing the overall efficiency and responsiveness of the product.

Maximum Output Current: 1 A

Able to deliver a maximum output current of 1A, suitable for powering various electronic devices and components within the specified range.

Technology: MOS

MOS technology offers high efficiency and performance in switching regulators, ensuring reliable operation and energy savings.

Terminal Form: NO LEAD

No-lead terminal form simplifies assembly, reduces soldering complexity, and improves the overall reliability of the product.

Switcher Config: BUCK

Buck configuration provides efficient step-down voltage conversion, suitable for a wide range of applications requiring lower output voltage than input voltage.

Terminal Pitch: 0.5 mm

Small terminal pitch allows for precise and compact integration on circuit boards, enhancing the overall design and layout efficiency.

Minimum Input Voltage: 2.9 V

Low minimum input voltage enables the product to operate with a wide range of power sources, making it versatile and adaptable in various scenarios.

Maximum Input Voltage: 18 V

High maximum input voltage range provides compatibility with different power sources, offering versatility and flexibility in various applications.

Technical Specifications

Switching Regulators & Controllers L5981 attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

VOLTAGE-MODE

Maximum Input Voltage:

18 V

Minimum Input Voltage:

2.9 V

Nominal Input Voltage:

12 V

JESD-30 Code:

S-PDSO-N8

JESD-609 Code:

e3

Length:

3 mm

Moisture Sensitivity Level (MSL):

1

No. of Functions:

1

No. of Terminals:

8

Maximum Output Current:

1 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

SOLCC8,.11,20

Package Shape:

Package Style (Meter):

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

Peak Reflow Temperature (C):

260

Qualification:

Not Qualified

Maximum Seated Height:

1 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

BUCK

Maximum Switching Frequency:

1000 kHz

Technology:

MOS

Terminal Finish:

Matte Tin (Sn) - annealed

Terminal Form:

NO LEAD

Terminal Pitch:

.5 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Width (mm):

3 mm

Trade Compliance

L5981 Other Function Semiconductors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

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